<template>
	<view v-if="goods_info.goods_name" class="goods-detail-container">
		<!-- 轮播图区域 -->
		<swiper :indicator-dots="true" :autoplay="true" :interval="3000" :duration="1000" :circular="true">
			<swiper-item v-for="(item,i) in goods_info.pics" :key="i">
				<image :src="item.pics_big" @click="preview(i)"></image>
			</swiper-item>
		</swiper>
		<!-- 商品信息区域 -->
		<view class="goods-info-box">
			<!-- 商品价格 -->
			<view class="price">
				{{goods_info.goods_price}}
			</view>
			<!-- 商品信息主体区域 -->
			<view class="goods-info-body">
				<!-- 商品的名字 -->
				<view class="goods-name">
					{{goods_info.goods_name}}
				</view>
				<!-- 收藏 -->
				<view class="favi">
					<uni-icons type="star" size="18" color="gray"></uni-icons>
					<text>收藏</text>
				</view>
			</view>
			<!-- 运费 -->
			<view class="yf">
				快递：免运费
			</view>
		</view>
		<rich-text :nodes="goods_info.goods_introduce"></rich-text>
		<!-- 商品导航组件区域 -->
		<view class="goods_nav">
			<uni-goods-nav :options="options" :fill="true" :button-group="buttonGroup" @click="onClick"
							@buttonClick="buttonClick" />
		</view>
		
		
	</view>
</template>

<script>
	import {mapState,mapMutations,mapGetters} from "vuex"
	export default {
		computed: {
			...mapState('m_cart',[]),
			...mapGetters('m_cart',['total'])
		},
		watch:{
			// total(newVal){
			// 	const findResult=this.options.find(x=>x.text==="购物车")
			// 	if(findResult){
			// 		findResult.info=newVal
			// 	}
			// }
			//解决info编译后不显示
			total:{
				handler(newVal){
					const findResult=this.options.find(x=>x.text==="购物车")
						if(findResult){
							findResult.info=newVal
						}
				},
				immediate:true
			}
		},
		data() {
			return {
				goods_info:{},
				 options: [ {
							icon: 'shop',
							text: '店铺',
							infoBackgroundColor:'#007aff',
							infoColor:"red"
						}, {
							icon: 'cart',
							text: '购物车',
							info: 0
						}],
					    buttonGroup: [{
					      text: '加入购物车',
					      backgroundColor: '#ff0000',
					      color: '#fff'
					    },
					    {
					      text: '立即购买',
					      backgroundColor: '#ffa200',
					      color: '#fff'
					    }
					    ]
			};
		},
		onLoad(options) {
			// console.log(options);
			const goods_id=options.goods_id
			this.getGoodDetail(goods_id)
		},
		methods:{
			...mapMutations('m_cart',['addToCart']),
		 async	getGoodDetail(goods_id){
				const {data:res}=await uni.$http.get('/api/public/v1/goods/detail',{goods_id})
				// console.log(res);
				if(res.meta.status!=200){
					return uni.$showMsg()
				}
				res.message.goods_introduce=res.message.goods_introduce.replace(/<img /g,'<img style="display:block;"').replace(/webp/g,'jpg')
				this.goods_info=res.message
			},
			//实现轮播图预览效果
			preview(i){
				//调用uni.previewImage()方法预览图片
				uni.previewImage({
					//预览时默认显示图片索引
					current:i,
					//所有图片url地址的数组
					urls:this.goods_info.pics.map(x=>x.pics_big)
				})
			},
			onClick(e){
				// console.log(e);
				if(e.content.text==="购物车"){
					uni.switchTab({
						url:"/pages/cart/cart"
					})
				}
			},
			buttonClick(e){
				// console.log(e);
				if(e.content.text==="加入购物车"){
					//{goods_id,goods_name,goods_price,goods_count,goods_small_logo,goods_state}
					const goods={
						goods_id:this.goods_info.goods_id,
						goods_name:this.goods_info.goods_name,
						goods_price:this.goods_info.goods_price,
						goods_count:1,
						goods_small_logo:this.goods_info.goods_small_logo,
						goods_state:true
					}
					this.addToCart(goods)
				}
			}
		},
		
	}
</script>

<style lang="scss">
swiper{
	height: 750rpx;
	image{
		width: 100%;
		height: 100%;
	}
}
.goods-info-box{
	padding: 10px;
	padding-right: 0;
	.price{
		color: #C00000;
		font-size: 18px;
	}
	.goods-info-body{
		display: flex;
		justify-content: space-between;
		.goods-name{
			font-size: 13px;
			margin-right: 10px;
		}
		.favi{
			width: 120px;
			font-size: 12px;
			display: flex;
			flex-direction: column;
			align-items: center;
			justify-content: center;
			border-left: 1px solid #efefef;
			color: gray;
			
		}
	}
	.yf{
		font-size: 12px;
		color: gray;
	}
}
.goods_nav{
	position: fixed;
	bottom: 0;
	left: 0%;
	width: 100%;
}
.goods-detail-container{
	padding-bottom: 50px;
}
</style>
